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Merge branch 'sloped-ripples' into 'master'

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Clamp tilted ripple spans to viewheight

See merge request KartKrew/Kart!1470
This commit is contained in:
Sal 2023-09-10 07:26:55 +00:00
commit 09e86a8b74
1 changed files with 5 additions and 7 deletions
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12
src/r_plane.cpp
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@ -236,7 +236,7 @@ static void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
static void R_MapTiltedPlane(INT32 y, INT32 x1, INT32 x2)
{
#ifdef RANGECHECK
if (x2 < x1 || x1 < 0 || x2 >= viewwidth || y > viewheight)
if (x2 < x1 || x1 < 0 || x2 >= viewwidth || y >= viewheight || y < 0)
I_Error("R_MapTiltedPlane: %d, %d at %d", x1, x2, y);
#endif
@ -248,9 +248,7 @@ static void R_MapTiltedPlane(INT32 y, INT32 x1, INT32 x2)
{
ds_bgofs = R_CalculateRippleOffset(y);
ds_sup = &ds_su[y];
ds_svp = &ds_sv[y];
ds_szp = &ds_sz[y];
R_SetTiltedSpan(std::clamp(y, 0, viewheight));
ds_bgofs >>= FRACBITS;
@ -791,11 +789,11 @@ d->z = (v1.x * v2.y) - (v1.y * v2.x)
void R_SetTiltedSpan(INT32 span)
{
if (ds_su == NULL)
ds_su = static_cast<floatv3_t*>(Z_Malloc(sizeof(*ds_su) * vid.height, PU_STATIC, NULL));
ds_su = static_cast<floatv3_t*>(Z_Calloc(sizeof(*ds_su) * vid.height, PU_STATIC, NULL));
if (ds_sv == NULL)
ds_sv = static_cast<floatv3_t*>(Z_Malloc(sizeof(*ds_sv) * vid.height, PU_STATIC, NULL));
ds_sv = static_cast<floatv3_t*>(Z_Calloc(sizeof(*ds_sv) * vid.height, PU_STATIC, NULL));
if (ds_sz == NULL)
ds_sz = static_cast<floatv3_t*>(Z_Malloc(sizeof(*ds_sz) * vid.height, PU_STATIC, NULL));
ds_sz = static_cast<floatv3_t*>(Z_Calloc(sizeof(*ds_sz) * vid.height, PU_STATIC, NULL));
ds_sup = &ds_su[span];
ds_svp = &ds_sv[span];